123122004099979 has 2 divisors, whose sum is σ = 123122004099980. Its totient is φ = 123122004099978.

The previous prime is 123122004099971. The next prime is 123122004100079. The reversal of 123122004099979 is 979990400221321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123122004099979 - 2³ = 123122004099971 is a prime.

It is not a weakly prime, because it can be changed into another prime (123122004099971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561002049989 + 61561002049990.

It is an arithmetic number, because the mean of its divisors is an integer number (61561002049990).

Almost surely, 2^{123122004099979} is an apocalyptic number.

123122004099979 is a deficient number, since it is larger than the sum of its proper divisors (1).

123122004099979 is an equidigital number, since it uses as much as digits as its factorization.

123122004099979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 123122004099979 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, four million, ninety-nine thousand, nine hundred seventy-nine".